Rubber crawler



FIG. 1 is a perspective view of a rubber crawler according to an embodiment of the invention;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a cross-sectional view taken along line 7—7 in FIG. 5.

Broken lines in the drawing figures are intended to show environmental structure only, and form no part of the claimed design. 

The ornamental design for a rubber crawler, as shown and described. 